// for a new request. Connections transition from StateIdle
	// to either StateActive or StateClosed.
	StateIdle

	// StateHijacked represents a hijacked connection.
	// This is a terminal state. It does not transition to StateClosed.
	StateHijacked

	// StateClosed represents a closed connection.
	// This is a terminal state. Hijacked connections do not
	// transition to StateClosed.

	}, StateNew, StateActive, StateIdle, StateActive, StateClosed)

	wantLog(func() {
		mustGet(ts.URL + "/hijack")
	}, StateNew, StateActive, StateHijacked)

	wantLog(func() {
		mustGet(ts.URL + "/hijack-panic")
	}, StateNew, StateActive, StateHijacked)

	wantLog(func() {
		c, err := net.Dial("tcp", ts.Listener.Addr().String())
		if err != nil {
			t.Fatal(err)
		}
		c.Close()

}

// setConnState calls the net/http ConnState hook for this connection, if configured.
// Note that the net/http package does StateNew and StateClosed for us.
// There is currently no plan for StateHijacked or hijacking HTTP/2 connections.
func (sc *http2serverConn) setConnState(state ConnState) {
	if sc.hs.ConnState != nil {
		sc.hs.ConnState(sc.conn, state)
	}
}